a 20.0 kg child on an 80 kg boat throws a 5 kg package horizontally with a speed of 10 m/s. Calculate the resulting density of the boat, assuming it was initially set at rest.

Question

a 20.0 kg child on an 80 kg boat throws a 5 kg package horizontally with a speed of 10 m/s.  Calculate the resulting density of the boat, assuming it was initially set at rest.

bobpursley · Answer

Density? What was the original volume? Assuming the density of the boat to be originally about .50, then volume= 105kg/.5=210liters Then new density is 100kg/210liters=.476